Add DeployQt4 module.
Add a module that gives better support to BundleUtilities to handle Qt plugins and deploy Qt applications.
This commit is contained in:
Mike McQuaid
Clinton Stimpson
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cf4b52980d
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# - Functions to help assemble a standalone Qt4 executable.
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# A collection of CMake utility functions useful for deploying
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# Qt4 executables.
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#
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# The following functions are provided by this module:
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# write_qt4_conf
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# resolve_qt4_paths
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# fixup_qt4_executable
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# install_qt4_plugin_path
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# install_qt4_plugin
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# install_qt4_executable
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# Requires CMake 2.6 or greater because it uses function and
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# PARENT_SCOPE. Also depends on BundleUtilities.cmake.
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#
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# WRITE_QT4_CONF(<qt_conf_dir> <qt_conf_contents>)
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# Writes a qt.conf file with the <qt_conf_contents> into <qt_conf_dir>.
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#
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# RESOLVE_QT4_PATHS(<paths_var> [<executable_path>])
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# Loop through <paths_var> list and if any don't exist resolve them
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# relative to the <executable_path> (if supplied) or the CMAKE_INSTALL_PREFIX.
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#
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# FIXUP_QT4_EXECUTABLE(<executable> [<qtplugins> <libs> <dirs> <plugins_dir> <request_qt_conf>])
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# Copies Qt plugins, writes a Qt configuration file (if needed) and fixes up a
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# Qt4 executable using BundleUtilities so it is standalone and can be
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# drag-and-drop copied to another machine as long as all of the system
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# libraries are compatible.
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#
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# <executable> should point to the executable to be fixed-up.
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#
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# <qtplugins> should contain a list of the names or paths of any Qt plugins
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# to be installed.
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#
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# <libs> will be passed to BundleUtilities and should be a list of any already
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# installed plugins, libraries or executables to also be fixed-up.
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#
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# <dirs> will be passed to BundleUtilities and should contain and directories
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# to be searched to find library dependencies.
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#
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# <plugins_dir> allows an custom plugins directory to be used.
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#
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# <request_qt_conf> will force a qt.conf file to be written even if not needed.
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#
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# INSTALL_QT4_PLUGIN_PATH(plugin executable copy installed_plugin_path_var <plugins_dir> <component> <configurations>)
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# Install (or copy) a resolved <plugin> to the default plugins directory
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# (or <plugins_dir>) relative to <executable> and store the result in
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# <installed_plugin_path_var>.
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#
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# If <copy> is set to TRUE then the plugins will be copied rather than
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# installed. This is to allow this module to be used at CMake time rather than
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# install time.
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#
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# If <component> is set then anything installed will use this COMPONENT.
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#
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# INSTALL_QT4_PLUGIN(plugin executable copy installed_plugin_path_var <plugins_dir> <component>)
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# Install (or copy) an unresolved <plugin> to the default plugins directory
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# (or <plugins_dir>) relative to <executable> and store the result in
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# <installed_plugin_path_var>. See documentation of INSTALL_QT4_PLUGIN_PATH.
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#
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# INSTALL_QT4_EXECUTABLE(<executable> <qtplugins> [<libs> <dirs> <plugins_dir> <request_qt_conf>])
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# Installs Qt plugins, writes a Qt configuration file (if needed) and fixes up
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# a Qt4 executable using BundleUtilities so it is standalone and can be
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# drag-and-drop copied to another machine as long as all of the system
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# libraries are compatible. The executable will be fixed-up at install time.
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# See documentation of FIXUP_QT4_BUNDLE.
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#=============================================================================
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# Copyright 2011 Mike McQuaid <mike@mikemcquaid.com>
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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# The functions defined in this file depend on the fixup_bundle function
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# (and others) found in BundleUtilities.cmake
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include(BundleUtilities)
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set(DeployQt4_cmake_dir "${CMAKE_CURRENT_LIST_DIR}")
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function(write_qt4_conf qt_conf_dir qt_conf_contents)
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set(qt_conf_path "${qt_conf_dir}/qt.conf")
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message(STATUS "Writing ${qt_conf_path}")
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file(WRITE "${qt_conf_path}" "${qt_conf_contents}")
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endfunction()
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function(resolve_qt4_paths paths_var)
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set(executable_path ${ARGV1})
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set(paths_resolved)
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foreach(path ${${paths_var}})
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if(EXISTS "${path}")
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list(APPEND paths_resolved "${path}")
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else()
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if(${executable_path})
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list(APPEND paths_resolved "${executable_path}/${path}")
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else()
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list(APPEND paths_resolved "\${CMAKE_INSTALL_PREFIX}/${path}")
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endif()
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endif()
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endforeach()
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set(${paths_var} ${paths_resolved} PARENT_SCOPE)
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endfunction()
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function(fixup_qt4_executable executable qtplugins)
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set(libs ${ARGV2})
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set(dirs ${ARGV3})
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set(plugins_dir ${ARGV4})
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set(request_qt_conf ${ARGV5})
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message(STATUS "fixup_qt4_executable")
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message(STATUS " executable='${executable}'")
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message(STATUS " qtplugins='${qtplugins}'")
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message(STATUS " libs='${libs}'")
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message(STATUS " dirs='${dirs}'")
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message(STATUS " plugins_dir='${plugins_dir}'")
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message(STATUS " request_qt_conf='${request_qt_conf}'")
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if(QT_LIBRARY_DIR)
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list(APPEND dirs "${QT_LIBRARY_DIR}")
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endif()
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if(APPLE)
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set(qt_conf_dir "${executable}/Contents/Resources")
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set(executable_path "${executable}")
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set(write_qt_conf TRUE)
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else()
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get_filename_component(executable_path "${executable}" PATH)
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if(NOT executable_path)
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set(executable_path ".")
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endif()
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set(qt_conf_dir "${executable_path}")
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set(write_qt_conf ${request_qt_conf})
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endif()
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foreach(plugin ${qtplugins})
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set(installed_plugin_path "")
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install_qt4_plugin("${plugin}" "${plugins_dir}" "${executable}" 1 installed_plugin_path)
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list(APPEND libs ${installed_plugin_path})
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endforeach()
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foreach(lib ${libs})
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if(NOT EXISTS "${lib}")
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message(FATAL_ERROR "Library does not exist: ${lib}")
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endif()
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endforeach()
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resolve_qt4_paths(libs "${executable_path}")
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resolve_qt4_paths(dirs "${executable_path}")
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if(write_qt_conf)
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set(qt_conf_contents "[Paths]\nPlugins = ${plugins_dir}")
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write_qt4_conf("${qt_conf_dir}" "${qt_conf_contents}")
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endif()
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fixup_bundle("${executable}" "${libs}" "${dirs}")
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endfunction()
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function(install_qt4_plugin_path plugin executable copy installed_plugin_path_var)
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set(plugins_dir ${ARGV4})
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set(component ${ARGV5})
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set(configurations ${ARGV6})
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if(EXISTS "${plugin}")
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if(plugins_dir)
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set(plugins_dir "${plugins_dir}")
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else()
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if(APPLE)
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set(plugins_dir "PlugIns")
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else()
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set(plugins_dir "plugins")
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endif()
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endif()
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if(APPLE)
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set(plugins_path "${executable}/Contents/${plugins_dir}")
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else()
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get_filename_component(executable_path "${executable}" PATH)
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if(NOT executable_path)
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set(executable_path ".")
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endif()
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set(plugins_path "${executable_path}/${plugins_dir}")
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endif()
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set(plugin_group "")
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get_filename_component(plugin_path "${plugin}" PATH)
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get_filename_component(plugin_parent_path "${plugin_path}" PATH)
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get_filename_component(plugin_parent_dir_name "${plugin_parent_path}" NAME)
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get_filename_component(plugin_name "${plugin}" NAME)
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string(TOLOWER "${plugin_parent_dir_name}" plugin_parent_dir_name)
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if("${plugin_parent_dir_name}" STREQUAL "plugins")
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get_filename_component(plugin_group "${plugin_path}" NAME)
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set(${plugin_group_var} "${plugin_group}")
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endif()
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set(plugins_path "${plugins_path}/${plugin_group}")
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if(${copy})
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file(MAKE_DIRECTORY "${plugins_path}")
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file(COPY "${plugin}" DESTINATION "${plugins_path}")
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else()
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if(configurations AND (CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE))
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set(configurations CONFIGURATIONS ${configurations})
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endif()
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if(component)
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set(component COMPONENT ${component})
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endif()
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install(FILES "${plugin}" DESTINATION "${plugins_path}" ${configurations} ${component})
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endif()
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set(${installed_plugin_path_var} ${${installed_path_var}} "${plugins_path}/${plugin_name}" PARENT_SCOPE)
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endif()
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endfunction()
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function(install_qt4_plugin plugin executable copy installed_plugin_path_var)
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set(plugins_dir ${ARGV4})
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set(component ${ARGV5})
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if(EXISTS "${plugin}")
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install_qt4_plugin_path("${plugin}" "${executable}" "${copy}" "${installed_plugin_path_var}" "${plugins_dir}" "${component}")
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else()
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if(QT_IS_STATIC)
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string(TOUPPER "QT_${plugin}_LIBRARY" plugin_var)
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else()
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string(TOUPPER "QT_${plugin}_PLUGIN" plugin_var)
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endif()
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set(plugin_release "${${plugin_var}_RELEASE}")
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set(plugin_debug "${${plugin_var}_DEBUG}")
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if(NOT EXISTS "${plugin_release}" AND NOT EXISTS "${plugin_debug}")
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message(WARNING "Qt plugin \"${plugin}\" not recognized or found.")
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endif()
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install_qt4_plugin_path("${plugin_release}" "${executable}" "${copy}" "${installed_plugin_path_var}" "${plugins_dir}" "${component}" "Release|RelWithDebInfo|MinSizeRel")
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install_qt4_plugin_path("${plugin_debug}" "${executable}" "${copy}" "${installed_plugin_path_var}" "${plugins_dir}" "${component}" "Debug")
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endif()
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set(installed_plugin_path_var "${installed_plugin_path_var}" PARENT_SCOPE)
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endfunction()
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function(install_qt4_executable executable)
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set(qtplugins ${ARGV1})
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set(libs ${ARGV2})
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set(dirs ${ARGV3})
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set(plugins_dir ${ARGV4})
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set(request_qt_conf ${ARGV5})
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set(plugin_component ${ARGV6})
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if(QT_LIBRARY_DIR)
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list(APPEND dirs "${QT_LIBRARY_DIR}")
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endif()
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get_filename_component(executable_absolute "${executable}" ABSOLUTE)
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gp_file_type("${executable_absolute}" "${QT_QTCORE_LIBRARY}" qtcore_type)
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if(qtcore_type STREQUAL "system")
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set(qt_plugins_dir "")
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endif()
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if(NOT qtplugins AND QT_LIBRARIES_PLUGINS)
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set(qtplugins "${QT_LIBRARIES_PLUGINS}")
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endif()
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foreach(plugin ${qtplugins})
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set(installed_plugin_paths "")
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install_qt4_plugin("${plugin}" "${executable}" 0 installed_plugin_paths "${plugins_dir}" "${plugin_component}")
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list(APPEND libs ${installed_plugin_paths})
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endforeach()
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resolve_qt4_paths(libs)
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resolve_qt4_paths(dirs)
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install(CODE
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" INCLUDE( \"${DeployQt4_cmake_dir}/DeployQt4.cmake\" )
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SET( BU_CHMOD_BUNDLE_ITEMS TRUE )
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FIXUP_QT4_EXECUTABLE( \"\${CMAKE_INSTALL_PREFIX}/${executable}\" \"\" \"${libs}\" \"${dirs}\" \"${plugins_dir}\" \"${request_qt_conf}\" ) "
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)
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endfunction()
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